QUESTION9 LetA={1,2,3}. (a) How many functions are there from A to A? (b) How many one -to-one functions are there from A to A?

Which of the following are one-to-one functions? OS = {(4, – 3), (1, 7), ( – 4, – 5), ( – 1, – 1), (10, 8), (6, – 6)} OF = {(- 2, – 1), (0, 0), (3, 2), (6, 5), (8, 7), (10, 12)} %3D OM = {(0, – 5), (3, 2), (3, 5), (6, 7), (9, – 6), (12, 13)} %3D OR= {(- 2,0), (2, 1), (4, 6), (7, 8), (11, 10), (14, 16)} OG = {(– 1, 2), (6, – 1), (1, – 2), (4, 0), (10, 1), ( – 5, – 1)} | Question Help: Message instructor Submit Question

How do I state the numbers and reasons at which f is not diffrentiable?

The function f : = {(1, 5), (-2, 3), (-4, 2), (2, 5)} (is/is not) a one-to-one function.   Please respond only with: is OR is not

Which of the following are functions? Explain how you know for each. a/ {(2, 3), (3, 2), (2, 5)}, b/{(2, 3), (3, 2), (5, 2)}